Conditions list medically reviewed by George Krucik, MD, MBA
A drug allergy is an allergic reaction to a medication. Find out how to know if you have one and what to do about it.
Hand, foot, and mouth disease is a viral infection that's common in children. Learn about symptoms, causes, treatment, and prevention.
Also known as varicella, chickenpox is a virus that often affects children. It is characterized by itchy red blisters that appear all over the body.
Systemic lupus erythematosus, the most common form of lupus, is a chronic autoimmune disease that can cause severe fatigue and joint pain. Learn more about it.
Cellulitis is a common bacterial skin infection. Cellulitis may first appear as a red, swollen area that feels hot and tender to the touch.
Hookworms are parasites that affect the small intestine and lungs. Read more about the symptoms of this infection and treatment options.
Reye's syndrome is a rare condition that strikes without warning. It most often affects children ages 4 to 12 who are recovering from a viral infection.
Find information about chemical burns and how to prevent them. Learn about the causes, symptoms, and treatment of chemical burns.
Infectious mononucleosis, or mono, refers to a group of symptoms usually caused by the Epstein-Barr virus (EBV).
Are your cold symptoms lasting longer than a week? Do you have walking pneumonia? Learn how to treat and prevent this condition.
An Addisonian crisis occurs when levels of cortisol suddenly drop. Learn more about an Addisonian crisis, including symptoms, risk factors, and treatment.
Erysipelas is a bacterial infection in the upper layer of the skin. Learn about erysipelas symptoms, causes, treatment, and prevention.
Leukemia is a cancer of the blood cells. Get the statistics on survival rates, find out the most common symptoms, diagnostic options, and treatments.
Learn about sarcoidosis and its causes, symptoms, diagnosis, treatment, and potential complications.
Typhus is caused by bacteria transmitted by flea, mite, louse, or tick bites. Scratching the bite opens the skin and allows bacteria to enter the bloodstream.
Learn about the causes and symptoms of the West Nile virus.
Colorado tick fever is a viral infection transmitted through a bite from an infected tick. Learn about Colorado tick fever symptoms, diagnosis, and treatment.
MRSA is an infection caused by a type of staph bacteria that's resistant to many different antibiotics. Learn about its symptoms, causes, and treatment.
This feature is for informational purposes only and should not be used to diagnose. Please consult a healthcare professional if you have health concerns.